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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: gauge.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
11 | #pragma implementation "gauge.h" | |
12 | #endif | |
13 | ||
14 | // For compilers that support precompilation, includes "wx.h". | |
15 | #include "wx/wxprec.h" | |
16 | ||
17 | #include "wx/gauge.h" | |
18 | ||
19 | #if wxUSE_GAUGE | |
20 | ||
21 | #include <gtk/gtk.h> | |
22 | ||
23 | //----------------------------------------------------------------------------- | |
24 | // wxGauge | |
25 | //----------------------------------------------------------------------------- | |
26 | ||
27 | IMPLEMENT_DYNAMIC_CLASS(wxGauge, wxControl) | |
28 | ||
29 | bool wxGauge::Create( wxWindow *parent, | |
30 | wxWindowID id, | |
31 | int range, | |
32 | const wxPoint& pos, | |
33 | const wxSize& size, | |
34 | long style, | |
35 | const wxValidator& validator, | |
36 | const wxString& name ) | |
37 | { | |
38 | m_needParent = TRUE; | |
39 | ||
40 | if (!PreCreation( parent, pos, size ) || | |
41 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
42 | { | |
43 | wxFAIL_MSG( wxT("wxGauge creation failed") ); | |
44 | return FALSE; | |
45 | } | |
46 | ||
47 | m_rangeMax = range; | |
48 | ||
49 | m_widget = gtk_progress_bar_new(); | |
50 | if ( style & wxGA_VERTICAL ) | |
51 | { | |
52 | gtk_progress_bar_set_orientation( GTK_PROGRESS_BAR(m_widget), | |
53 | GTK_PROGRESS_BOTTOM_TO_TOP ); | |
54 | } | |
55 | ||
56 | m_parent->DoAddChild( this ); | |
57 | ||
58 | PostCreation(); | |
59 | SetBestSize(size); | |
60 | ||
61 | Show( TRUE ); | |
62 | ||
63 | return TRUE; | |
64 | } | |
65 | ||
66 | void wxGauge::DoSetGauge() | |
67 | { | |
68 | wxASSERT_MSG( 0 <= m_gaugePos && m_gaugePos <= m_rangeMax, | |
69 | _T("invalid gauge position in DoSetGauge()") ); | |
70 | ||
71 | gtk_progress_bar_update( GTK_PROGRESS_BAR(m_widget), | |
72 | m_rangeMax ? ((float)m_gaugePos)/m_rangeMax : 0.); | |
73 | } | |
74 | ||
75 | wxSize wxGauge::DoGetBestSize() const | |
76 | { | |
77 | if (HasFlag(wxGA_HORIZONTAL)) | |
78 | return wxSize(100, 28); | |
79 | else | |
80 | return wxSize(28, 100); | |
81 | } | |
82 | ||
83 | void wxGauge::SetRange( int range ) | |
84 | { | |
85 | m_rangeMax = range; | |
86 | if (m_gaugePos > m_rangeMax) | |
87 | m_gaugePos = m_rangeMax; | |
88 | ||
89 | DoSetGauge(); | |
90 | } | |
91 | ||
92 | void wxGauge::SetValue( int pos ) | |
93 | { | |
94 | wxCHECK_RET( pos <= m_rangeMax, _T("invalid value in wxGauge::SetValue()") ); | |
95 | ||
96 | m_gaugePos = pos; | |
97 | ||
98 | DoSetGauge(); | |
99 | } | |
100 | ||
101 | int wxGauge::GetRange() const | |
102 | { | |
103 | return m_rangeMax; | |
104 | } | |
105 | ||
106 | int wxGauge::GetValue() const | |
107 | { | |
108 | return m_gaugePos; | |
109 | } | |
110 | ||
111 | void wxGauge::ApplyWidgetStyle() | |
112 | { | |
113 | SetWidgetStyle(); | |
114 | gtk_widget_set_style( m_widget, m_widgetStyle ); | |
115 | } | |
116 | ||
117 | #endif // wxUSE_GAUGE | |
118 |